CN212709809U

CN212709809U - Improved electric vehicle frame

Info

Publication number: CN212709809U
Application number: CN202021777979.0U
Authority: CN
Inventors: 芦欣兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-03-16
Anticipated expiration: 2030-08-21

Abstract

The utility model belongs to the field of electric bicycles, in particular to an improved electric bicycle frame; improved generation electric motor car frame, its characterized in that: including extending to the integrated into one piece's behind the car girder always from the plantago, the girder include the preceding stay tube that sets up with the slope of preceding fork union coupling, the terminal arc transitional coupling of preceding stay tube has horizontal stay tube, the terminal arc transitional coupling of horizontal stay tube has the back stay tube of slope, is connected with the rear wheel supporting component that can swing on the lateral wall of back stay tube, the utility model discloses have better structural strength and bearing capacity, and adopt the modularized design to seat supporting component and rear wheel supporting component, make things convenient for manufacturing.

Description

Improved electric vehicle frame

Technical Field

The utility model belongs to the electric bicycle field, in particular to follow-on electric motor car frame.

Background

The new national standard related to the safety technical specification of the electric bicycle is just published, so that the whole layout of the electric bicycle needs to be completely new designed to standardize all subsequently developed vehicle types so as to meet the requirements of the national standard.

Based on the consideration of personal safety of users, the middle shaft and the crank are required to be undetachable and the lithium batteries are required to be a complete group according to the current new national standard, so that the space for detaching the middle shaft to refit the lithium batteries is basically avoided. As for the current situation, in order to meet the requirements of the new national standard, if the lithium battery is placed in the seat barrel, although the middle shaft and the crank are not required to be disassembled, the lithium battery occupies the accommodating space of the seat barrel as daily necessities.

The existing electric vehicle frame is composed of a front pipe connected with a front fork pipe, a horizontal pipe positioned at the middle part and a rear pipe supported by a rear wheel, three components adopt a structural mode of respectively processing and then welding into a whole, the structure of a three-section type has the problem of poor structural strength, the welding workload of the front pipe, the horizontal pipe and the rear pipe is different from that of the horizontal pipe, the welding time of a single vehicle frame is influenced, and the workload of workers is unbalanced.

Disclosure of Invention

Problem to prior art existence, the utility model discloses an adopt integrated into one piece's girder as the improved generation electric motor car frame of frame core, this frame has better structural strength and bearing capacity, and adopts the modularized design to seat supporting component and rear wheel supporting component, makes things convenient for the production to make, has homogenized the work load of every part, avoids appearing the problem that certain part production efficiency is low to influence whole product production efficiency.

The technical scheme of the utility model as follows:

improved generation electric motor car frame, its characterized in that: including extending to the integrated into one piece's behind the car girder always from the plantago, the girder include the preceding stay tube that the slope that is connected with preceding fork tube set up, the terminal arc transitional coupling of preceding stay tube has horizontal stay tube, the terminal arc transitional coupling of horizontal stay tube has the back stay tube of slope, be connected with on the lateral wall of back stay tube and can wobbling rear wheel supporting component.

The U-shaped reinforcing pipe is horizontally arranged, the center of the inner wall of the bending area of the U-shaped reinforcing pipe is welded with the outer wall of the lower portion of the front supporting pipe, a connecting plate is arranged between two end portions of the U-shaped reinforcing pipe, and the lower end of the connecting plate is welded and fixed with the upper surface of the horizontal supporting pipe.

Furthermore, the lower surface of the U-shaped reinforcing pipe is higher than the upper surface of the horizontal supporting pipe.

Further say, still include a seat supporting component of connection on the girder, be equipped with pedal installation component between seat supporting component and back stay tube, seat supporting component is including left stay tube and the right stay tube that the symmetry set up, left stay tube includes the left vertical pipe with the end-to-end connection of the horizontal stay tube of girder, and the upper end of left vertical pipe is equipped with the left changeover portion of outside extension, and left changeover portion is connected with left horizontal pipe, and the end-to-end connection of left horizontal pipe has the left back stay tube of slope, still includes and connects the seat carriage in left stay tube and right stay tube upper end, is equipped with the front seat stay tube between the front end of seat carriage and the front end of pedal installation component.

Furthermore, the upper end of the rear supporting tube is provided with a rear supporting plate connected with the left supporting tube and the right supporting tube.

Furthermore, the rear wheel supporting assembly comprises a rear wheel rotating connecting piece connected with the outer side wall of the rear supporting pipe and a U-shaped rear wheel supporting frame rotatably connected to the rear wheel rotating connecting piece.

To sum up, the utility model discloses following beneficial effect has:

the utility model discloses an adopt integrated into one piece's girder as the improved generation electric motor car frame of frame core, this frame has better structural strength and bearing capacity, and adopts the modularized design to seat supporting component and rear wheel supporting component, makes things convenient for the manufacturing, has homogenized the work load of every part, avoids appearing the problem that certain part production efficiency is low to influence whole product production efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

in the figure, 1 is a main beam, 10 is a front supporting pipe, 11 is a horizontal supporting pipe, 12 is a rear supporting pipe, 120 is a rear supporting plate, 13 is a U-shaped reinforcing pipe, 14 is a connecting plate,

2 is a rear wheel supporting component, 20 is a rear wheel rotating connecting piece, 21 is a rear wheel supporting frame,

3 seat support members, 30 left support tubes, 31 right support tubes, 301 left vertical tubes, 302 left transition sections, 303 left horizontal tubes, 304 left rear support tubes, 305 seat support frames, 306 front seat support tubes,

and 4, a pedal mounting assembly.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the improved electric vehicle frame is characterized in that: including extending to the integrated into one piece's behind the car girder 1 always from the plantago, girder 1 include the preceding stay tube 10 that sets up with the slope of preceding fork union coupling, the terminal arc transitional coupling of preceding stay tube 10 has horizontal stay tube 11, the terminal arc transitional coupling of horizontal stay tube 11 has the back stay tube 12 of slope, be connected with on the lateral wall of back stay tube can wobbling rear wheel supporting component 2.

The utility model discloses a girder adopts integrated into one piece, specifically is for passing through bending forming by a straight tube, forms foretell preceding stay tube, horizontal support tube and back stay tube, and integrated into one piece's girder has following advantage: adopt the straight tube to carry out bending, the precision of product is guaranteed, has reduced the welded production step many times among the prior art, has also improved production efficiency, and is further, integrated into one piece's girder has better intensity, and bearing capacity has more reliable assurance for weld forming's frame.

Further, still include the U type reinforced pipe 13 that a level set up, the center department of the inner wall in the district of buckling of U type reinforced pipe 13 and the outer wall welding of preceding stay tube lower part are in the same place, be equipped with connecting plate 14 between two tip of U type reinforced pipe 13, the lower extreme of connecting plate 14 and the upper surface welded fastening of horizontal stay tube form a platform between U type reinforced pipe and the girder, can be used for putting article and bearing personnel's angle at the in-process of riding.

Furthermore, the lower surface of the U-shaped reinforcing pipe 13 is higher than the upper surface of the horizontal supporting pipe, a drop structural design is adopted, a containing area can be formed between the U-shaped reinforcing pipe and the main beam, a lockable placing space can be formed after plastic ornaments are installed, and electric control components of vehicles can be placed in the space.

Further, the seat support assembly comprises a seat support assembly 3 connected to the main beam, a pedal installation assembly 4 is arranged between the seat support assembly 3 and the rear support tube 12, the pedal installation assembly is used for installing a pipe fitting of a center shaft, the seat support assembly 3 comprises a left support tube 30 and a right support tube 31 which are symmetrically arranged, the left support tube and the right support tube are symmetrical, therefore, only the structure of the left support tube is described, the left support tube 30 comprises a left vertical tube 301 connected with the end of the horizontal support tube of the main beam, the upper end of the left vertical tube 301 is provided with a left transition section 302 extending outwards, the left transition section 302 is connected with a left horizontal tube 303, the end of the left horizontal tube 303 is connected with an inclined left rear support tube 304, the seat support frame 305 connected with the upper ends of the left support tube and the right support tube is further included, a front seat support tube 306 is arranged between the front end of the seat support frame and the front end of the pedal installation assembly, the modular seat supporting component is designed, the modular seat supporting component can be processed independently and then is connected and fixed with a frame, the lower ends of a left vertical pipe and a right vertical pipe of a left supporting pipe and a right supporting pipe are welded and fixed with the tail ends of horizontal supporting pipes, a containing area can be formed between the left supporting pipe and the right supporting pipe, a power module of the frame can be placed in the containing area, a seat with a locking function can be connected to a seat supporting frame, and the anti-theft function of the power module is achieved.

Furthermore, the upper end of the rear support tube 12 is provided with a rear support plate 120 connected with the left support tube 30 and the right support tube 31, and the provided rear support plate can further improve the bearing capacity of the seat support assembly, so as to meet the use requirements of users with different weights.

Further, rear wheel supporting component 2 include the rear wheel rotation connecting piece 20 of being connected with the back stay tube lateral wall, and rotate the rear wheel support frame 21 of being connected the U on the rear wheel rotation connecting piece, electric bicycle's rear wheel is connected on rear wheel support frame 21, the rear wheel support frame rotates and is connected on the rear wheel rotation connecting piece, can rotate the connecting piece around the rear wheel and swing, it is further, be equipped with the spring shock attenuation subassembly of being connected with left stay tube and right stay tube on the rear wheel support frame, promote the shock attenuation performance of frame, thereby obtain the travelling comfort that better traveles.

To sum up, the utility model discloses following beneficial effect has:

Claims

1. Improved generation electric motor car frame, its characterized in that: including extending to the integrated into one piece's behind the car girder always from the plantago, the girder include the preceding stay tube that the slope that is connected with preceding fork tube set up, the terminal arc transitional coupling of preceding stay tube has horizontal stay tube, the terminal arc transitional coupling of horizontal stay tube has the back stay tube of slope, be connected with on the lateral wall of back stay tube and can wobbling rear wheel supporting component.

2. The improved electric vehicle frame as recited in claim 1, wherein: the U-shaped reinforcing pipe is horizontally arranged, the center of the inner wall of the bending area of the U-shaped reinforcing pipe is welded with the outer wall of the lower portion of the front supporting pipe, a connecting plate is arranged between two end portions of the U-shaped reinforcing pipe, and the lower end of the connecting plate is welded and fixed with the upper surface of the horizontal supporting pipe.

3. The improved electric vehicle frame as recited in claim 2, wherein: the lower surface of the U-shaped reinforcing pipe is higher than the upper surface of the horizontal supporting pipe.

4. The improved electric vehicle frame as recited in claim 1, wherein: still include a seat supporting component of connection on the girder, be equipped with pedal installation component between seat supporting component and back stay tube, seat supporting component is including left stay tube and the right stay tube that the symmetry set up, left stay tube includes the left vertical pipe with the end-to-end connection of the horizontal stay tube of girder, and the upper end of left vertical pipe is equipped with the left changeover portion of outside extension, and left changeover portion is connected with left horizontal pipe, and the end-to-end connection of left horizontal pipe has the left back stay tube of slope, still includes and connects the seat carriage in left stay tube and right stay tube upper end, is equipped with the front seat stay tube between the front end of seat carriage and pedal installation component's front end.

5. The improved electric vehicle frame as recited in claim 4, wherein: the upper end of the rear supporting tube is provided with a rear supporting plate connected with the left supporting tube and the right supporting tube.

6. The improved electric vehicle frame as recited in claim 1, wherein: the rear wheel supporting assembly comprises a rear wheel rotating connecting piece connected with the outer side wall of the rear supporting pipe and a U-shaped rear wheel supporting frame connected to the rear wheel rotating connecting piece in a rotating mode.